SOLUTION: Question: On an assignment, students are expected to answer at least 3 questions from a 19 question set. But they can complete as many questions as they wish (for bonus!). How m

Question 911604: Question: On an assignment, students are expected to answer at least 3 questions from a 19 question set. But they can complete as many questions as they wish (for bonus!).
How many possible ways can they complete the assignment?
Note: Consider all questions do-able, and each student will complete at least the minimum number of questions.
Can't seem to figure this problem out?! Help.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
19C3 + 19C4 + 19C5 + 19C6 + ... + 19C19
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